Your search for "Assimilation Aegis 348" revealed the following:
Assimilation Aegis - Extended Art (Foil) (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Matt Stewart Card Text:When Assimilation Aegis enters the battlefield, exile up to one target creature until Assimilation...
Assimilation Aegis - Extended Art (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Matt Stewart Card Text:When Assimilation Aegis enters the battlefield, exile up to one target creature until Assimilation Aegis...